.readingNotes-cssSecret-03{
    .exp {
        margin: 25px 0;
        padding: 25px 0;
        background: #eee;
        border-radius: 4px;
        >div {
            width: 310px;
            margin: 0 auto;
            background: #fff;
            text-align: center;
            line-height: 80px;
        }
    }

    .break-line>div{
        line-height: 36px;
        text-align: left;
        padding: 12px 10px 12px 20px;
        dt, dd {
            display: inline;
        }
        dd {
            font-weight: bold;
        }
        dd + dt::before {
            content: "\A";
            white-space: pre;
        }
        dd + dd::before {
            content: "";
            font-weight: normal;
        }
    }

    .stripe-text{
        padding: 0.8em;
        line-height: 2;
        background-image: linear-gradient(rgba(33, 33, 110, 0.2) 50%, transparent 0);
        background-size: auto 4em;
        background-origin: content-box;
    }

    .underline-text-1{
        padding: 0.8em;
        line-height: 2;
        background: #eee linear-gradient(#f96, #f96) no-repeat 0 2.8rem;
        background-size: 100% 1px;
        border: 1px solid #eee;
    }

    .underline-text-2{
        padding: 0.8em;
        line-height: 2;
        background: #eee linear-gradient(90deg, #f96 60%, transparent 0) repeat-x 0 2.8rem;
        background-size: 0.4em 1px;
        border: 1px solid #eee;
    }

    div.underline-text-3 {
        padding: 0.8em;
        line-height: 2;
        background: #eee linear-gradient(-45deg, transparent 25%, #f96 25%, transparent 0) repeat-x 0 2.8rem;
        background-size: 8px 4px;
        border: 1px solid #eee;
    }
      
    div.text-effect-1 {
        background: #58a;
        text-align: center;
        font-size: 56px;
        color: #fff;
        text-shadow: 1px 1px black, -1px -1px black, 1px -1px black, -1px 1px black;
    }
      
    div.text-effect-2 {
        background: #203;
        text-align: center;
        font-size: 56px;
        color: #ffc;
        text-shadow: 0 0 0.1em, 0 0 0.3em;
    }
      
    div.text-effect-3 {
        background: #203;
        text-align: center;
        font-size: 56px;
        color: #ffc;
        transition: 1s;
        &:hover {
          color: transparent;
          text-shadow: 0 0 0.1em, 0 0 0.3em;
        }
    }
      
    div.text-effect-4 {
        text-align: center;
        font-size: 56px;
        background: #58a;
        color: white;
        text-shadow: 0 1px hsl(0, 0%, 85%), 0 2px hsl(0, 0%, 80%),
          0 3px hsl(0, 0%, 75%), 0 4px hsl(0, 0%, 70%), 0 5px hsl(0, 0%, 65%),
          0 5px 10px black;
    }
      
    div.text-effect-5 {
        text-align: center;
        font-size: 56px;
        background: hsl(0, 50%, 45%);
        color: white;
        text-shadow: 1px 1px black, 2px 2px black, 3px 3px black, 4px 4px black,
          5px 5px black, 6px 6px black, 7px 7px black, 8px 8px black;
    }

    div.expand-hot-area {
        >div {
            width: 60px;
            height: 60px;
            background-color: #58a;
            border-radius: 50%;
            line-height: 60px;
            color: #fff;
            cursor: pointer;
            font-size: 20px;
            transition: background-color 0.4s;
            box-sizing: content-box;
            &:hover {
                background-color: #f96;
            }
        }
        &.expand-1 {
            >div{
                border: 10px solid transparent;
                background-clip: padding-box;
                box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.7) inset;
            }
        }
        &.expand-2 {
            >div {
                position: relative;
                &:before {
                    content: "";
                    position: absolute;
                    top: -10px;
                    right: -10px;
                    bottom: -10px;
                    left: -10px;
                }
            }
        }
    }
      
    div.checkbox {
        text-align: center;
        input[type="checkbox"] + label::before {
            content: "\a0";
            display: inline-block;
            vertical-align: 0.1em;
            width: 0.8em;
            height: 0.8em;
            margin-right: 0.4em;
            border-radius: 0.2em;
            background: silver;
            text-indent: 0.15em;
            line-height: 0.65;
            cursor: pointer;
        }
        input[type="checkbox"] {
            position: absolute;
            clip: rect(0, 0, 0, 0);
        }
        input[type="checkbox"]:checked + label::before {
            content: "\2713";
            background: yellowgreen;
        }
    }
}